The KROHNE OPTISONIC 4400 HT is a high-temperature ultrasonic flowmeter designed for precise measurement of liquids in industrial applications. It provides bi-directional flow measurement, excellent long-term stability, and maintenance-free operation. Ideal for chemical, oil & gas, and district heating applications where high temperatures are required.

Specifications:

• Technology: Ultrasonic flow measurement

• Application Type: High-temperature liquids

• Accuracy: ±0.3% of measured value

• Flow Direction: Bi-directional

• Process Temperature: –40 °C to +400 °C

• Pressure Rating: Up to 100 bar

• Output / Interfaces: 4–20 mA, HART, Modbus, PROFIBUS

• Pipe Sizes: DN25 to DN1000

• Protection Rating: IP67 / IP68

Applications:
Ideal for chemical processing, oil & gas, district heating, and industrial systems requiring accurate high-temperature flow measurement.

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